Northwest History. State History. Box 120. State History Floriculture Gardening Wild Flowers.

Rhododendron Is Threatened By White Fly. Washington's state flower, the rhododendron, is threatened by the white fly, a small insect with mealy white wings, the Western Washington Horticulture association was informed while in session here.

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Rhododendron Is Threatened By White Fly. Washington's state flower, the rhododendron, is threatened by the white fly, a small insect with mealy white wings, the Western Washington Horticulture association was informed while in session here.